add scaleway snapshot function

python/scw_snapshot.py

@@ -0,0 +1,32 @@
+import requests
+import json
+import os
+import dateutil.parser
+from datetime import datetime, timezone
+
+token = os.environ['SCW_SECRET']
+organization = os.environ['SCW_ORGANIZATION']
+
+header = {'x-auth-token': token,'Content-type': 'application/json'}
+snapshoturl = "https://cp-ams1.scaleway.com/snapshots"
+serverurl = "https://cp-ams1.scaleway.com/servers"
+
+r = requests.get(serverurl, headers=header)
+
+# determine volume id of my server
+volume_id = r.json()['servers'][0]['volumes']['0']['id']
+
+# get all snapshots (because I will delete old ones)
+r = requests.get(snapshoturl, headers=header)
+
+for snapshot in r.json()['snapshots']:
+    current_date = datetime.now(timezone.utc)
+    snapshot_date = dateutil.parser.parse(snapshot['creation_date'])
+    if (current_date - snapshot_date).days > 1:
+        print("delete " + snapshot['name'])
+        requests.delete(snapshoturl + '/' + snapshot['id'], headers=header)
+
+# create a new snapshot
+body = {'name': 'scw_snapshot_' + datetime.now().strftime("%Y-%m-%d"), 'organization': organization, 'volume_id': volume_id}
+print("create snapshot: " + 'scw_snapshot_' + datetime.now().strftime("%Y-%m-%d"))
+r = requests.post(snapshoturl, headers=header, data=json.dumps(body))